test: Add utility for monitoring ead's D-Bus interface

test/monitor-ead

@@ -0,0 +1,99 @@
+#!/usr/bin/python3
+
+from gi.repository import GLib
+
+import dbus
+import dbus.mainloop.glib
+
+_dbus2py = {
+    dbus.String : str,
+    dbus.UInt32 : int,
+    dbus.Int32 : int,
+    dbus.Int16 : int,
+    dbus.UInt16 : int,
+    dbus.UInt64 : int,
+    dbus.Int64 : int,
+    dbus.Byte : int,
+    dbus.Boolean : bool,
+    dbus.ByteArray : str,
+    dbus.ObjectPath : str
+}
+
+def dbus2py(d):
+    t = type(d)
+    if t in _dbus2py:
+        return _dbus2py[t](d)
+    if t is dbus.Dictionary:
+        return dict([(dbus2py(k), dbus2py(v)) for k, v in d.items()])
+    if t is dbus.Array and d.signature == "y":
+        return "".join([chr(b) for b in d])
+    if t is dbus.Array or t is list:
+        return [dbus2py(v) for v in d]
+    if t is dbus.Struct or t is tuple:
+        return tuple([dbus2py(v) for v in d])
+    return d
+
+def pretty(d):
+    d = dbus2py(d)
+    t = type(d)
+
+    if t in (dict, tuple, list) and len(d) > 0:
+        if t is dict:
+            d = ", ".join(["%s = %s" % (k, pretty(v)) for k, v in d.items()])
+            return "{ %s }" % d
+
+        d = " ".join([pretty(e) for e in d])
+
+        if t is tuple:
+            return "( %s )" % d
+
+    if t is str:
+        return "%s" % d
+
+    return str(d)
+
+def properties_changed(interface, changed, invalidated, path):
+    iface = interface[interface.rfind(".") + 1:]
+    for name, value in changed.items():
+        print("{%s} [%s] %s = %s" % (iface, path, name, pretty(value)))
+
+relevant_ifaces = [ "net.connman.ead.Adapter" ]
+
+def interfaces_added(path, interfaces):
+    for iface, props in interfaces.items():
+        if not(iface in relevant_ifaces):
+            continue
+
+        print("{Added %s} [%s]" % (iface, path))
+
+        for name, value in props.items():
+            print("      %s = %s" % (name, pretty(value)))
+
+def interfaces_removed(path, interfaces):
+    for iface in interfaces:
+        if not(iface in relevant_ifaces):
+            continue
+
+        print("{Removed %s} [%s]" % (iface, path))
+
+if __name__ == '__main__':
+    dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
+
+    bus = dbus.SystemBus()
+
+    bus.add_signal_receiver(properties_changed,
+                            bus_name="net.connman.ead",
+                            dbus_interface="org.freedesktop.DBus.Properties",
+                            signal_name="PropertiesChanged",
+                            path_keyword="path")
+
+    bus.add_signal_receiver(interfaces_added, bus_name="net.connman.ead",
+                            dbus_interface="org.freedesktop.DBus.ObjectManager",
+                            signal_name="InterfacesAdded")
+
+    bus.add_signal_receiver(interfaces_removed, bus_name="net.connman.ead",
+                            dbus_interface="org.freedesktop.DBus.ObjectManager",
+                            signal_name="InterfacesRemoved")
+
+    mainloop = GLib.MainLoop()
+    mainloop.run()